Re: Configuring synchronous replication

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От Simon Riggs
Тема Re: Configuring synchronous replication
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Msg-id 1285325982.21874.1530.camel@ebony
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Ответ на Re: Configuring synchronous replication  (Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>)
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On Fri, 2010-09-24 at 11:43 +0300, Heikki Linnakangas wrote:
> > To get zero data loss *and* continuous availability, you need two
> > standbys offering sync rep and reply-to-first behaviour.
> 
> Yes, that is a good point.
> 
> I'm starting to understand what your proposal was all about. It makes 
> sense when you think of a three node system configured for high 
> availability with zero data loss like that.
> 
> The use case of keeping hot standby servers up todate in a cluster
> where 
> read-only queries are distributed across all nodes seems equally 
> important though. What's the simplest method of configuration that 
> supports both use cases?

That is definitely the right question. (More later)

-- Simon Riggs           www.2ndQuadrant.comPostgreSQL Development, 24x7 Support, Training and Services



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